Pink Evening Primrose (Oenothera Speciosa)

The pink primrose has glaborous (smooth) to pubescent stems that grow to 50 cm in height. The pubescent leaves are alternate with very short or no petiole (sessile), reaching 10 cm long to 4 cm broad.

They are variable in shape, from linear to obovate, and are toothed or wavy-edged. It produces single, four-petaled, cup-shaped flowers on the upper leaf axils.

These fragrant shell-pink flowers bloom throughout the summer into early autumn. The 1.5–2 in (3.8–5.1 cm) flowers start out white and grow pink as they age. The flower throats, as well as the stigmas and stamens, have a soft yellow color. It blooms both day and night, but typically in the pre-dawn hours